Class 7 Science Chapter 18 MCQ
Class 7 Science Chapter 18 MCQ (Multiple Choice Questions) of Wastewater Story in English Medium updated for CBSE Session 2021-2022. All the questions are important and useful of terminal exams and class tests.MCQs are design in such a way it covers the entire chapter 18 of class 7 science. There are about 60 questions in all divided into 10 MCQ online tests.
Class 7 Science Chapter 18 MCQ for 2021-2022
|Chapter: 18||Wastewater Story|
|Contents:||MCQ Online Quiz with answers|
MCQ Tests with Answers for Class 7 Science Chapter 18
Which of the following is or are products of wastewater treatment?
Rupali is writing some statements, choose the incorrect statement and help her:
Water polluted by various human activities cause a number of water-borne diseases. Which of the following is not a water-borne disease?
Which of the following statement is or are correct?
Select the one that is incorrect for wormy processing toilet:
Which of the following statements about ozone are correct?
Which of the following can be used to disinfect the clean water in a sewage treatment plant before releasing it into the distribution system?
Which of the following is not a water-borne disease?
One of the following type of trees are said to help in purifying wastewater quite rapidly when planted all along the sewage ponds. These are:
Which of the following are used for the safe disposal of human excreta in those areas where sewerage system does not exist and water supply is limited or not available at all?
Feedback and Suggestion
Provide your suggestion and feedback to improve the content of website. We work on suggestion received by the uses. We always respect your suggestion and work on feedback also.